NEET UG CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS

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The number of methoxy groups in a compound can be determined by treating it with:

View answer and explanation

Correct option: A

\mathrm{HI}

and

\mathrm{AgN}{\mathrm{O}_3}

Option A (

\mathrm{HI}

and

\mathrm{AgN}{\mathrm{O}_3}

) is correct because HI cleaves methoxy groups to form methyl iodide, which then reacts with silver nitrate to form a precipitate of silver iodide.

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{\text{C}}{{\text{H}}_3}{\text{C}}{{\text{H}}_2}{\text{OH}}\xrightarrow{{{\text{PCC}}}}{\text{A}}\xrightarrow[{\left( {{\text{ii}}} \right){\text{ }}{{\text{H}}_2}{\text{O/}}{{\text{H}}^ + }}]{{\left( {\text{i}} \right){\text{ HCN}}}}{\text{B}}

\mathrm{O}_2

{\mathrm{P}_2}{\mathrm{S}_5}